| accept | specifies particular file types that will be accepted for uploading |
| align | the alignment of the control within the parent container |
| animate | defines the type of animation, with which the view is shown, if it is a Multiview cell |
| apiOnly | sets the uploader to the "invisible" mode |
| autosend | enables sending files to a server immediately after they have been added to the uploader |
| autowidth | adjusts button to its text content |
| borderless | used to hide the component borders |
| click | click action handler |
| container | an HTML container (or its ID) where the component should be initialized |
| css | the name of the CSS class or the object with styles that will be applied to the view container |
| datatype | the type of serverside response |
| directory | allows uploading a folder with files |
| disabled | indicates whether an item is enabled |
| formData | extra data that will be sent to the server side along with the file uploading |
| gravity | sets the view gravity |
| height | sets the height of the component |
| hidden | defines whether the view will be hidden initially |
| hotkey | sets a hotkey that triggers button clicking |
| icon | the icon name |
| id | the ID of a widget |
| inputHeight | the height of the input area, or a button's text value area. |
| inputName | sets the name of the uploader input (the button to upload files) |
| inputWidth | the width of the input area, or a button's text value area. |
| keyPressTimeout | a delay between the key press and the action |
| label | sets the text of the label |
| link | sets the component to display values of the files chosen for upload |
| maxHeight | sets the maximum height for the view |
| maxWidth | sets the maximum width for the view |
| minHeight | sets the minimal height for the view |
| minWidth | sets the minimal width for the view |
| multiple | enables uploading of several files at a time. |
| name | name of the control |
| on | allows attaching custom handlers to inner events of the component |
| popup | allows to attach pop-up menu to the button |
| tooltip | sets a popup message next to the item when the cursor points to it |
| type | the type of the button |
| upload | path to the script file that will handle uploading |
| urlData | extra data that will be sent to server side along with the file uploading |
| value | sets the initial value for a control |
| width | sets the width of a widget |